Attachment_B_-_Amendment_0002_Specifications.pdf

Spec. No. 927

Solicitation No.

89503118BWA000003

Amendment 0002

SECTION C

DESCRIPTION/SPECIFICATIONS

LIBERTY SUBSTATION

STAGE 06

ARIZONA

SECTION C

DESCRIPTION/SPECIFICATIONS

LIBERTY SUBSTATION STAGE 06

DIVISION 1 – GENERAL REQUIREMENTS…………………………………………………………………. 3

A. CONTRACT REQUIREMENT………………………………………………………………………………3

B. DESCRIPTION OF WORK………………………………………………………………………………... 3

1. The Principal Components of Work…………………………………………………………………… 3

C. DESCRIPTION OF BIDDING SCHEDULE ITEM……………………………………………………….. 3

1. Bidding Schedule item “Mobilization and preparatory work”……………………………………….. 3

D. COMMENCEMENT, PROSECUTION, AND COMPLETION OF WORK…………………………….. 4

1. Commencement, Prosecution, and Completion of the Work………………………………………. 4

2. Submittal Approval Time……………………………………………………………………………….. 5

3. Commencement of Control Work……………………………………………………………………... 5

4. Outage Restrictions…………………………………………………………………………………….. 5

5. Construction Schedule Restrictions…………………………………………………………………... 5

6. Protective Ground Leads………………………………………………………………………………. 5

7. Maximum Available Fault Current…………………………………………………………………….. 5

8. Typical Foundations for Government-Furnished Electrical Equipment…………………………… 5

9. Typical Foundations for Contractor-Furnished Electrical Equipment……………………………... 6

E. CONSTRUCTION SCHEDULE

1. Submittal Time………………………………………………………………………………………….. 6

2. Format and Detail………………………………………………………………………………………. 6

F. MATERIAL

1. Points-Of-Delivery………………………………………………………………………………………..6

G. GEOLOGIC INVESTIGATIONS

H. ELECTRIC POWER FOR CONSTRUCTION PURPOSES

I. WATER FOR CONSTRUCTION PURPOSES

J. EXPLOSIVES AND BLASTING

K. SUBMITTALS

1. General……………………………………………………………………………………………………7

2. Approval Time……………………………………………………………………………………………7

3. Transmittal………………………………………………………………………………………………..7

DIVISION 2 – SITEWORK……………………………………………………………………………………….9

A. DESCRIPTION OF BIDDING SCHEDULE ITEMS………………………………………………………9

1. Bidding Schedule item “Miscellaneous sitework”…………………………………………………….9

2. Bidding Schedule item “Demolition”…………………………………………………………………...9

3. Bidding Schedule item “Standard chain link fence”………………………………………………….9

4. Bidding Schedule does not contain separate items………………………………………………….9

DIVISION 3 – CONCRETE……………………………………………………………………………………..11

A. GENERAL

1. Material

2. Test for Potential Reactivity of Sand and Coarse Aggregate

3. Curing

4. Rebar Development (LD) and Lap Length

B. DESCRIPTION OF BIDDING SCHEDULE ITEMS

1. Bidding Schedule item “Concrete foundations”

2. Bidding Schedule item “Type C cable trench”

DIVISION 4 – SUBSTATION METALWORK………………………………………………………………..13

A. GENERAL

1. Government-Furnished Drawings

2. Measurement

B. DESCRIPTION OF BIDDING SCHEDULE ITEMS

DIVISION 9 – SUBSTATION - ELECTRICAL

A. GENERAL

1. Bidding Schedule for Government-furnished items

2. Bidding Schedule for items (not furnished by the Government)

3. Associated Support Structures Provided for Each Electrical Equipment Rated Above 7-kV

4. Installation and Painting of Electrical Equipment and Material

B. DESCRIPTION OF BIDDING SCHEDULE ITEMS

1. Bidding Schedule item “Series capacitor bank, 345-kV, 110.1 Mvar, three-phase

(Government-furnished)”

2. Bidding Schedule item “Power circuit breaker, 345-kV, 2,000 amps, single-phase

(Government-furnished)”

3. Bidding Schedule item “Motor operated disconnecting switch, 345-kV, 2,000 amps, three-phase”

4. Bidding Schedule item “Motor operated disconnecting switch with grounding blades, 345-kV, 2,000 amps, three-phase”

5. Bidding Schedule item “Coupling capacitor voltage transformer, 345-kV, single-phase

(Government-furnished)”

6. Bidding Schedule item “Surge arrester, 345-kV, single-phase”

7. Bidding Schedule item “Pad mounted dry type transformer, 240-120/240 V, 50-kVA, single-phase”

8. Bidding Schedule item “Outdoor AC distribution board”

9. Bidding Schedule item “Grounding system”

10. Bidding Schedule item “Bus system”

11. Bidding Schedule item “Conduit system”

12. Bidding Schedule item “Associated electrical equipment and material”

13. Bidding Schedule item “Existing outdoor electrical equipment and material”

14. Bidding Schedule items “Furnishiing 3/c No. 2AWG control cable”, “Furnishing 5/c No. 10 AWG control cable” and “Furnishing 12/c No. 10 AWG control cable”

15. Bidding Schedule items “Installing 3/c No. 2 AWG control cable”, “Installing 5/c No. 10 AWG control cable” and “Installing 12/c No. 10 AWG control cable”

16. Bidding Schedule item “Enclosed switchboard section (Government-furnished)”

17. Bidding Schedule item “Electrical testing”

DIVISION 13 – ENVIRONMENTAL QUALITY PROTECTION

A. GENERAL

1. Bidding Schedule does not contain separate items

B. SPECIAL CONDITIONS

1. PREVENTION OF WATER POLLUTION

LIBERTY SUBSTATION STAGE 06

DIVISION 1 – GENERAL REQUIREMENTS

A. CONTRACT REQUIREMENT:

Construct and complete Liberty Substation, Stage 06, in accordance with the Construction Contract (Standard Form 1442); the Contract Clauses; Western’s Construction Standards, including Standard 1

– General Requirements (September 2016), Standard 2 – Sitework (September 2016), Standard 3 – Concrete (September 2016), Standard 4 – Substation Metalwork and Transmission Line Lattice Structures (September 2016), Standard 9 – Substation – Electrical (September 2016), Standard 13 – Environmental Quality Protection (September 2016), Standard 15 – Drawings (September 2016);

Standard Drawings; and these Project Specifications and Drawings.

If a conflict occurs between the Project Specifications and the Construction Standards, the Project Specifications shall govern. The Project Specifications and the Drawings are used to take exceptions or provide additions to the Construction Standards. Some paragraphs in the Construction Standards will not apply to this job.

Western’s Construction Standards, Standard Drawings, and Electrical Equipment Standards are available at:

https://www.wapa.gov/DoingBusiness/SellingToWestern/Pages/what-western-buys.aspx

Western Project Specifications and Construction Standards are explained in Standard 1 – General Requirements, Section 1.1.1, “Standards and Project Specifications”.

B. DESCRIPTION OF WORK:

Paragraphs “Description of Bidding Schedule Items” in Divisions – 1, 2, 3, 4, 9 and 13 describe the work to be performed.

The work is located in Maricopa County, approximately 3 miles north of Liberty, Arizona, as shown on drawing LIB 0015.

1. The principal components of work include the following:

a. Installing 345-kV series capacitor equipment and platforms, 345-kV and 230-kV power circuit breakers, 345-kV coupling capacitor voltage transformers, control cable, fiber optic cable, and duplex switchboard.

b. Providing 345-kV disconnecting switches, 345-kV surge arresters, dry type transformer, and AC panelboard.

c. Providing grounding system, bus system, conduit system, insulated conductors and cables, terminal box and signs.

d. Providing foundations and anchor bolts for structures, electrical equipment, and material.

Performing site work.

e. Providing galvanized steel structures and cable trench.

f. Removing and disposing of electrical equipment, steel supporting structures, foundations, bus work, insulated cables, and conduits.

C. DESCRIPTION OF BIDDING SCHEDULE ITEM:

1. Part A Bidding Schedule item “Mobilization and preparatory work” includes the following:

a. Performing mobilization and preparatory work in accordance with Section H of the contract clauses.

http://www.wapa.gov/DoingBusiness/SellingToWestern/Pages/what-western-

b. Prepare and submit a Construction Schedule and furnish a Safety and Health Program.

c. Providing jobsite office trailer and the items listed below. Prior to any jobsite work, the Contractor shall provide the office trailer for the exclusive use of Western.

(1) Relocation: If the Contractor changes the location of his office during the term of the contract, then the Contractor shall also move the mobile office trailer provided for Western, simultaneously with the transportation of his own unit.

(a) Installation: Install anchors and tie-downs for the trailer complying with local, State and Federal regulations. The office trailer shall be grounded. Entry points to the trailer shall be provided with stairways complying with OSHA (29 C.F.R.

1926.1052).

(b) Office Space Requirements:

1) Size and Arrangement: At least 250-square-feet (minimum) consisting of two (2) separate rooms (one (1) office and one (1) larger workroom).

2) Heating and Cooling: Heating and cooling unit sized to provide adequate heating and cooling.

3) Lighting and Electrical: Adequate lighting and 120 V electrical outlets.

4) Utilities: Make all arrangements and pay all costs for providing utilities, including potable drinking water, electrical power, and heating and cooling energy.

5) Toilet Facilities: Toilet facilities shall be provided in the immediate vicinity of the office and shall be maintained.

(2) Emergency Equipment: Provide and maintain the following emergency equipment:

(a) First aid kit by Affirmed Medical, Inc., Model No. 3503, or equal. Mount to the wall inside the workroom.

(b) Dry chemical fire extinguishers, Classified 4-A:60-B:C, one (1) to be located inside each entrance to the trailer.

(3) Window Coverings: Provide adjustable mini-blinds.

(4) Office Furniture: Provide good quality, fully functional, office furniture as follows:

QUANTITY DESCRIPTION

5 Folding Office Chairs

1 Office Desk (30-inches by 60-inches minimum)

2 Office Tables (30-inches by 60-inches minimum)

1 Five-drawer File Cabinet

1 Bookcase (30-inches by 13-inches by 48-inches)

12 “Plan Hold” Binders No. 1CB-24 (including one (1) plan rack)

D. COMMENCEMENT, PROSECUTION, AND COMPLETION OF WORK:

1. COMMENCEMENT, PROSECUTION, AND COMPLETION OF THE WORK: See FAR 52.211- 10 in Section F of the solicitation/contract.

2. SUBMITTAL APPROVAL TIME: Except as otherwise provided for specific submittals, Western will require 30-calendar days for review of drawings or data submitted for approval.

3. COMMENCEMENT OF CONTROL WORK: Do not perform any control board or outdoor equipment wiring until receipt of Government-furnished wiring diagrams. Western will furnish outdoor wiring diagrams, outdoor schematic diagrams, control board wiring diagrams, and control board schematic diagrams no sooner than 20-calendar-days after the delivery of the control boards. Include these restrictions in the Construction Schedule.

4. OUTAGE RESTRICTIONS: In addition to the restrictions listed in Construction Standard 1, the following outage restrictions shall apply:

a. One (1) continuous outage on the Liberty – Peacock 345-kV transmission line may be taken starting January 7, 2019 and ending March 29, 2019. This outage will accommodate the replacement of 230-kV power circuit breaker JW1A (LIB 182) in addition to the 345-kV area work.

5. CONSTRUCTION SCHEDULE RESTRICTIONS: The following Construction Schedule restrictions shall apply:

a. The 345-kV series capacitor banks PU11A shall be installed and ready to be commissioned by February 28, 2019.

b. The new 230-kV power circuit breaker JW1A shall be installed and ready to be commissioned by February 28, 2019.

c. The 345-kV series capacitor banks PU11A shall be commissioned and ready for service by March 29, 2019.

d. Western will assist the Contractor to completely commission the new capacitor banks.

e. Complete all work by April 28, 2019.

6. PROTECTIVE GROUND LEADS: See WAPA Construction Standards, Standard 1 “General Requirements”, Section 1.4.14.3(1).

7. MAXIMUM AVAILABLE FAULT CURRENT: When protective ground leads are required, the protective ground leads shall be sized as defined below and shall meet the requirements of Standard 1 – General Requirements, Section 1.4 “Safety and Health” and the following:

a. The maximum available fault current in the Liberty 345-kV area is 5680 amps and the

X/R ratio is 13.0 prior to completing construction and 5680 amps and the X/R ratio is

13.0 after completing construction.

b. The maximum available fault current in the Liberty 230-kV area is 35,010 amps and the X/R ratio is 11.3 prior to completing construction and 35,010 amps and the X/R ratio is

11.3 after completing construction.

c. The maximum available fault current in the Liberty 24.9-kV area is 20,403 amps and the X/R ratio is 42.9 prior to completing construction and 20,403 amps and the X/R ratio is

42.9 after completing construction.

d. A minimum of 1 (one) 1/0 AWG grounds shall be used in the 345-kV area.

e. A minimum of 1 (one) 4/0 AWG grounds shall be used in the 230-kV area.

f. A minimum of 1 (one) 2/0 AWG grounds shall be used in the 24.9-kV area.

8. TYPICAL FOUNDATIONS FOR GOVERNMENT-FURNISHED ELECTRICAL

EQUIPMENT: Typical foundations are shown on Drawings LIB 2306, 2308, 2309, and 2310. Western will design these foundations after receipt of the seismic report and informational drawings and data, including the seismic report from the equipment manufacturer. Western will forward the revised construction drawings for these foundations no later than 30-days after receipt of final approved design information.

9. TYPICAL FOUNDATIONS FOR CONTRACTOR-FURNISHED ELECTRICAL

EQUIPMENT: Typical foundations are shown on Drawings LIB 2307, 2311, and 2312.

Regarding foundations noted as “design not firm”: Western will design these foundations after receipt and final approval of seismic qualification documents and informational drawings and data from the Contractor.

E. CONSTRUCTION SCHEDULE:

1. SUBMITTAL TIME: Refer to FAR Clause 52.236.15, Schedules for Construction

Contracts. The schedule shall be submitted to the contracting officer no later than 15-calendar days after issuance of the Notice to Proceed.

2. FORMAT AND DETAIL: Dates for each item of Government-furnished material shall be included in the submitted Construction Schedule. Construction Schedule shall be provided in the Microsoft Project 2007 format, PDF, and shall clearly show a critical path base line. Do not schedule dates earlier than the estimated delivery dates shown in the “Material” paragraph.

F. MATERIAL: Furnish all material for completing the work, except material furnished by Western as listed below:

ITEM

ESTIMATED

WEIGHT

(LBS)

ESTIMATED

DELIVERY

DATE

ESTIMATED

COST

1. One (1) 3-phase, power circuit breaker, 230-kV, 3,000 amp

15,000 ea On-site at Parker

Substation

$266,000 EA

2. One (1) three-phase, series capacitor bank, 345-kV, 110.1

MVAR

75,000

NLT 7-12-18

$3,095,317

3. Six (6) single-phase, power circuit breakers, 345-kV, 2,000 amp

3,000 ea NLT 7-12-18 $213,640 ea

4. Three (3) single-phase coupling capacitor voltage transformers, 345-kV with supports

900 ea

NST 7-2-18

NLT 8-31-18

$17,000 ea

5. One (1) Enclosed switchboard section (CHJ8)

1,000

NST 8-31-18

NLT 9-30-18

$37,500

6. Three (3) GE Protection and Control Cabinets (these control cabinets may be shipped from the factory as one complete assembly)

1,000 ea NLT 7-12-18 Included in line item 2

NST – No sooner than.

NLT – No later than.

1. POINTS-OF-DELIVERY: Material item One (1) furnished by Western is on-site at the Parker Substation. The Contractor shall load material item one (1) at the Parker

Substation, transport to Liberty Substation, and unload at the installation location.

Material items two (2) through six (6) furnished by Western will be delivered to Liberty Substation. The Contractor shall load, transport, and unload the material from temporary storage to the installation location.

The Contractor shall inspect the equipment and report any damages to the COR within 10-calendar days after receipt and before moving.

G. GEOLOGIC INVESTIGATIONS:

Geologic logs of subsurface explorations included in the “Drawings” Division constitute the information and records of geologic investigations for the work. Locations of subsurface investigations are shown on the drawings.

Samples and cores of recovered material were not retained. Bidders shall obtain their own samples and perform tests on the material to evaluate properties, which they believe to be significant. Western does not guarantee that the geologic information and records show the conditions that will be encountered in performing the work, but only that the geologic information and records show conditions encountered at the particular point and time the information and records were obtained. The geologic information may not indicate variations, such as those caused by seasonal fluctuations in rainfall and other factors, which may affect the water level. The Contractor shall determine the nature of material to be excavated, the difficulties of making and maintaining required excavations, and doing other work affected by geology and ground water elevations at the worksite.

H. ELECTRIC POWER FOR CONSTRUCTION PURPOSES:

The Contractor shall furnish power for construction purposes. Limited single-phase or three-phase power is available from receptacles or panelboards located throughout the substation at approximately 120 or 240 volts nominal. Coordinate with the Contracting Officer’s Representative (COR) for establishing electric power service.

I. WATER FOR CONSTRUCTION PURPOSES:

The Contractor shall furnish water for construction purposes. Make arrangements for obtaining the water, and provide for conveying the water to the points of use.

J. EXPLOSIVES AND BLASTING:

Explosives shall not be used.

K. SUBMITTALS:

1. GENERAL: Submittals must be provided in accordance with the Construction Standards and Project Specifications. The Contractor shall furnish submittals electronically (i.e. e-mail), unless otherwise specified by the COR. Submittals shall be sent to DSW-G5600- CS@wapa.gov in standard PDF or electronic CAD “*.dwg” (AutoCAD 2010) formats. All submittals shall include WAPA's Contract No., Project Title, Transmittal/Submittal No., and corresponding Item No. Refer to the Submittal Log for the list of required submittals.

This list may not be all-inclusive, and it remains the Contractor’s responsibility to ensure conformance to the individual Specifications for possible additional submittal requirements. All submittals must be submitted with the attached cover sheet “CM-16 Transmittal Form Appendix A” in Microsoft Excel or PDF. Submittals will be rejected if CM-16 Form is not attached.

In addition to the submittals required in the attached Submittal Log, the Contractor shall submit the following to DSW-G5600-CS@wapa.gov:

a. Payrolls.

b. Sub-Contractor List/Forms.

mailto:DSW-G5600-CS@wapa.gov mailto:DSW-G5600-CS@wapa.gov mailto:DSW-G5600-CS@wapa.gov

c. Citizenship Forms.

d. Environmental Submittals.

e. Request For Information (RFI).

f. Request for Equitable Adjustment (REA).

g. Any questions related to the project.

A submittal is required if the item is used in the performance of the contract.

2. APPROVAL TIME: Approval time for submittals shall be in accordance with the “Commencement, Prosecution, and Completion of Work” paragraph.

3. TRANSMITTAL: The Contractor shall forward specified non electronic submittals to the following address:

Western Area Power Administration Western Area Power Administration

ATTN: G5600 ATTN: G5600

P.O. Box 6457 615 South 43rd Ave

Phoenix, AZ 85005-6457 Phoenix, AZ 85009-5313

DIVISION 2 – SITEWORK

A. DESCRIPTION OF BIDDING SCHEDULE ITEMS:

1. Parts B and C Bidding Schedule item “Miscellaneous sitework” includes the following:

a. Replacing and protecting existing gravel surfacing.

b. Providing a soil-applied herbicide where gravel surfacing is placed.

2. Parts B and C Bidding Schedule item “Demolition” includes the following:

a. Completely removing concrete foundations designated on Existing Installation Drawings LIB 2003, 2004, 2005 and 2006-2. All remaining portions of foundation CB6 (consisting of 12 piers previously cut off below grade) shall be completely removed during the removal of foundation CB10.

b. Removing and disposing of the following structures:

(1) Nine (9) Bus Poles – Type I (LIB 2042) located on foundations BP1.

(2) Four (4) Bus Poles – Type II (LIB 2042) located on foundations BP2.

(3) One (1) Ground Mast (LIB 2046) located on foundation GM2.

(4) Six (6) Bus Poles – Type XXXIV (LIB 2068) located on foundations (B)BP36.

(5) One (1) Bus Pole – Type XXXV (LIB 2068) located on foundation (B)BP37.

(6) Seven (7) Bus Poles – Type XXXVI (LIB 2068) located on foundations (B)BP38.

(7) Three (3) Bus Poles – Type XXXVII (LIB 2068) located on foundations (B)BP39.

(8) One (1) 345-kV Switch Support (LIB 2022) located on foundations SS10.

(9) Two (2) 345-kV Switch Supports – Type IV (LIB 2072) located on foundations

(B)SS13.

(10) One (1) 345-kV Switch Support – Type III (LIB 2024) located on foundation SCSS12.

(11) Three (3) 345-kV Equipment Support – Type I (LIB 2073) located on foundations

(B)ES4.

Existing Installation Drawings are included showing typical structure details.

3. Part B Bidding Schedule item “Standard chain link fence” includes providing standard chain link fence with gates and as shown on Drawings 31 2000, 31 2001, and 31 2038, except do not include guard of three strands of barbed wire or razor wire. Fence shall be erected as shown on Drawing LIB 2200.

Electrical ground connections to the fence shall be included in the work for installing the grounding system for the electrical equipment.

4. Parts B and C Bidding Schedule does not contain separate items for the following. Include these items in applicable Bidding Schedule items.

a. Excavations for foundations, structures, and trenches.

b. Placing and compacting earth material and backfill.

c. Providing gravelfills under concrete foundations as shown on the drawings.

d. Disposing of excavated material. Material from excavations not suitable or required for earthwork shall be removed from the substation and access road right-of-way. The Contractor shall make arrangements required for disposal of waste material in an approved landfill.

e. Expansion anchors and adhesive anchors.

DIVISION 3 – CONCRETE

A. GENERAL:

1. MATERIAL:

a. Cement: Type V cement. If Type V cement is not available, Type IIA cement in conjunction with Class F fly ash as noted below is an acceptable alternative. Types are according to

ASTM C 150.

b. Compressive Strength: 4000 psi at 28-days for concrete.

c. Water-Cement Ratio: Net water-cement ratio, exclusive of water absorbed by the aggregates, shall not exceed 0.52 by weight.

d. Type A and D water-reducing and retarding admixtures may be used if approved by the

COR.

e. Class F fly ash is required to neutralize severe alkali or ASR reaction in accordance with

ASTM C 311 (regarding test data), ASTM C 618 (regarding material), and Standard 3 – Concrete (regarding WAPA-specific requirements). Proposed concrete mix designs shall incorporate fly ash up to a maximum of 20 percent; minimum 28-day compressive strength shall be maintained in mix design.

2. TEST FOR POTENTIAL REACTIVITY OF SAND AND COARSE AGGREGATE: Perform test for each source used.

3. CURING: Exposed, formed surfaces of concrete foundations shall be cured with water, resin-base curing compound without fugitive dye, or by covering with polyethylene film.

4. REBAR DEVELOPMENT (LD) AND LAP LENGTH:

a. Class B lap splices apply unless noted otherwise; refer to Table 3 on Standard Drawing 01 2004-1 General Outline and Reinforcement Notes.

b. Typical closed circular tie lap splice lengths for drilled piers and columns, 4,000 - 4,500 psi normal weight concrete, unless noted otherwise, are 18-inches for No. 3 ties, 24-inches for No. 4 ties, and 30-inches for No. 5 ties.

B. DESCRIPTION OF BIDDING SCHEDULE ITEMS:

1. Part B and C Bidding Schedule item “Concrete foundations” includes the following:

a. Earthwork, formwork, reinforcement, material used in concrete, void forming material, drilling and grouting anchor bars, anchor bolts, curing, finishing, joints, and other related work and material needed to complete the concrete construction.

b. Concrete foundations for steel structures.

c. Concrete foundations for electrical equipment.

d. Concrete foundations for station service equipment, including aluminum cover plates as shown on LIB 2311.

e. Casing auger excavations, if required.

Measurement for quantities for concrete foundations will be made on the basis of concrete quantities shown on drawing LIB 2015. If separate quantities of formed and auger concrete for each type of foundation are shown on the drawing, the concrete quantity shall be the total of the formed and auger concrete quantities. Regardless of the concrete quantities actually placed, payment will be based on the quantities of concrete shown on the drawing.

2. Part B Bidding Schedule item “Type C cable trench” includes providing precast concrete Type C cable trenches, vehicular crossings, complete with sand and gravelfill, precast polymer concrete covers, and other accessories.

DIVISION 4 – SUBSTATION METALWORK

A. GENERAL:

1. GOVERNMENT-FURNISHED DRAWINGS: Existing shop drawings for steel structures are not available.

2. MEASUREMENT: Measurement for quantities for Bidding Schedule items “Steel structures, welded (galvanized)” will be made on the basis of weights calculated in accordance with Load and Resistance Factor Design (LRFD), “AISC Code of Standard Practice for Steel Buildings and Bridges”, except that weights for nonrectangular shapes and plates are to be based on actual detailed dimensions.

a. Steel structure weights, calculated as noted above, are shown on the specification drawings and shall be shown on the Contractor-furnished final shop drawings, and payment will be based thereon. Steel estimated weights are shown on the specifications drawings for the structures requiring approval drawings as noted in the Bidding Schedule items “Steel structures, welded (galvanized)”.

1. Part B and C Bidding Schedule item “Steel structures, welded (galvanized)” includes providing the following:

a. *Seven (7) 345-kV bus poles - Type L.

b. *Three (3) 345-kV bus pole - Type LI.

c. *Eleven (11) 345-kV bus poles - Type LII.

d. *Eight (8) 345-kV bus poles - Type LIII.

e. *One (1) 345-kV bus poles - Type LIV.

f. *Seven (7) 345-kV bus poles - Type LV.

g. *Two (2) 345-kV bus poles - Type LVI.

h. *Six (6) 345-kV bus poles - Type LVII.

i. *Four (4) 345-kV bus poles - Type LVIII.

j. *Two (2) 345-kV bus poles – Type LIX.

k. *Five (5) 345-kV bus poles – Type LX.

l. *Two (2) 345-kV bus frames - Type III.

m. *One (1) 345-kV bus frames - Type IV.

n. *Two (2) 345-kV bus frames - Type V.

o. *Two (2) 345-kV bus frames – Type VI.

p. *One (1) - 50 foot ground mast – Type I.

q. *Six (6) - 65 foot ground mast – Type I.

r. *One (1) - Equipment support frame for station service.

s. One (1) double-switch operating platforms, including grating. Quantities provided are for bidding purposes only. Quantity to be determined by Western when design information becomes available.

t. Three (3) single-switch operating platforms, including grating. Quantities provided are for bidding purposes only. Quantity to be determined by Western when design information

u. Ten (10) equipment cabinet platforms – Type I. Quantities provided are for bidding purposes only. Quantity and type to be verified by Western when design information becomes available.

v. Part C: One (1) equipment cabinet platform – Type III. Quantities provided are for bidding purposes only. Quantity and type to be verified by Western when design information

*Denotes structures requiring approval drawings.

The above material including connection bolts, nuts, washers, and lock nuts shall be galvanized.

DIVISION 9 – SUBSTATION - ELECTRICAL

A. GENERAL: Electrical equipment and material shall be as specified in Western’s “WAPA ES” Standard

Equipment Specifications, as shown on project drawings, and in accordance with NEMA, ANSI, IEEE, ICEA, ASTM, NEC, NESC, UL, and Federal specifications and standards as applicable. Applicable requirements shall be met under the following service conditions:

Ambient Temperatures:

Maximum........................................................................................... +55C

Maximum 24-Hour Average .............................................................. +45C

Minimum.............................................................................................-20C

Elevation:

Above Mean Sea Level .................................................................950 Feet

*ASCE-7 Wind Load:

Minimum Basic Wind Speed .......................................................... 90 MPH Importance Factor ................................................................................ 1.15

Contractor furnished electrical equipment shall be qualified to the requirements of IEEE Std.

693-2005, and shall meet the requirements of the Moderate seismic qualification level. If the equipment was qualified including its support structure, the provided structure shall exactly match the structure identified within the seismic qualification documents. Individual equipment paragraphs include requirements regarding support structures. Wind and seismic loads are nonsimultaneous.

1. Bidding Schedule for Government-furnished items (including associated supporting structures when furnished) require the Contractor to provide:

a. Unless otherwise indicated, unloading and inspecting Government-furnished items.

b. Installing Government-furnished items as shown on drawings.

c. Furnishing equipment and material not furnished by Western.

2. Bidding Schedule for items (not furnished by the Government) shall be provided by the Contractor and shall include the following:

a. Providing (furnishing and installing) bidding schedule items.

3. Unless otherwise specified, associated support structures provided for each electrical equipment rated above 7-kV shall be 102 inches in height and hot-dip galvanized, if made of steel.

Instrument transformers that are seismically qualified shall be 96 inches in height. If tubular steel supports are furnished, they shall be galvanized internally and externally.

4. Installation and painting of electrical equipment and material shall be provided in accordance with Standards 9 and 12 respectively.

1. Part B Bidding Schedule item “Series capacitor bank, 345-kV, 110.1 Mvar, three-phase

(Government-furnished)”: Includes installation of platforms, installation of bypass circuit breakers and installation of series capacitor equipment onto the platforms.

DESIGNATION (THREE PHASE) PU11A

Manufacturer General Electric

Voltage Rating (kV) 345

Three-Phase Bank Rating (Mvar) 110.1

The series capacitor equipment shall include, but not be limited to, the following equipment and accessories:

a. Three (3) equipment platform assemblies. The assemblies will include steel structural members to support capacitor bank equipment, personnel access walkways, corona shielding and handrails, and other miscellaneous items.

b. Supporting Insulators: The platform assemblies will be supported by post insulators and stabilized by diagonal insulators complete with mounting brackets.

c. Porcelain or Polymer Insulated Signal-to-Ground Columns: The columns will have interfaces at each end for connections to platform-mounted equipment.

d. Capacitor Unit Supporting Racks: The supporting racks will be furnished assembled with capacitor units, internal buses, and rack supporting insulators.

e. Protective Bypass Equipment Modules including the following:

(1) Bypass protection cabinets, including terminal blocks, control and indicating devices, and other miscellaneous equipment required for control and operation of the bypass equipment.

(2) One (1) three-phase, ground-mounted bypass circuit breaker consisting of three single-phase pole units and separately-mounted master control cabinet.

(3) Metal oxide varistors.

f. Cable, rigid buses, insulators, and hardware for interconnecting components on the equipment platform assemblies and connecting to segment bypass circuit breakers.

g. Terminal boxes, housing, and enclosures for control operational circuit routing.

h. Equipment to supply energy for operation and control of the series capacitor bank.

i. Fiber optic material to interconnect the equipment in the control building to the insulated signal-to-ground columns; from the insulated signal-to-ground columns to the platform-mounted equipment; and between equipment mounted on the platforms.

j. Mounting hardware and other miscellaneous equipment required to completely install the capacitor bank and make it ready for service.

The equipment supplier will unload the series capacitor equipment. The series capacitor bank shall be installed as indicated on the drawings, under the direction of GE’s Site Manager. Install the segment bypass circuit breakers, designated JU11A, in the location shown on the drawings.

GE will provide the services of a site representative who will supervise the installation of the column insulators and interrupters, fill the breakers with SF6 gas and perform final checkout and testing of the breakers.

2. Part C Bidding Schedule item “Power circuit breaker, 230-kV, 3,000 amps (Government-furnished)”:

DESIGNATION JW1A

Manufacturer Mitsubishi

Model Number 200-SFMT-63F

Type SF6 single-pressure gas puffer

Nominal Voltage Rating (kV)

Maximum Voltage Rating (kV)

Continuous Current (Amps) 3,000

Estimated Weight of 3-pole Breaker without SF6 Gas

(LBS)

11,264

Approximate SF6 gas weight

(LBS)

(1) The Contractor is responsible for transporting the equipment from the Parker

Substation to the Liberty 230-kV yard. Contractor personnel shall inspect the power circuit breaker at Parker Substation for possible damage prior to transporting to Liberty Substation. Report any damage to Western's COR. SF6 gas filling shall be done by the Contractor after installation at Liberty. A sample of SF6 gas from each bottle shall be analyzed before filling the breaker and samples of SF6 gas from the breaker shall be analyzed after filling. In addition to tests required by Acceptance Testing Method B, the Contractor shall perform timing tests and all other tests or measurements required by the manufacturer’s instruction book to prepare the breaker for operation. Western will perform Doble tests, but a manufacturer erecting engineer is not being provided for this breaker.

(a) Two (2) sets of spare parts consisting of two (2) trip coils and one (1) close coil were furnished with the breakers. One (1) set of tools and appliances were also furnished. Contact Western’s onsite representative for further details.

3. Part B Bidding Schedule item “Power circuit breaker, 345-kV, 2,000 amps, single phase (Government-furnished)”: Includes installing power circuit breakers and one (1) separately mounted master control cabinet.

DESIGNATION

(SINGLE-PHASE)

JU12A1, JU12A2, JU12A3

Manufacturer GE

Type Live tank, SF6

Nominal Voltage Rating (kV) 345

Amps (Continuous) 2,000

The equipment supplier will unload the power circuit breaker. The Contractor shall inspect the power circuit breaker for possible damage during shipment or transportation. GE will provide the services of a site representative who will supervise the installation of the column insulators and interrupters, fill the breakers with SF6 gas and perform final checkout and testing of the breakers.

4. Part B Bidding Schedule item “Motor operated disconnecting switch, 345-kV, 2,000 amps, three-phase” includes providing the Contractor-furnished switches with supports:

DESIGNATION YU11A, YU12A, YU12B

Type 3-pole, single-throw, outdoor, motor group operated, vertical break, rotating insulator

System Nominal Voltage Rating (kV) 345

Rated Maximum Voltage (kV) 362

Basic Impulse Insulation Level (kV) 1300

Continuous Current Rating (Amps) 2,000

Short-time (3 second) Withstand Current Rating (kA)

Control Circuit Voltage (VDC) 125

Phase Spacing 15’-0”

Mounting Position Horizontal

a. Disconnecting switches shall be provided with manufacturer-supplied support structures; all three phases of each switch mounted on one structure.

b. Disconnecting switches and support structures shall be qualified to operate under service conditions specified in paragraph A.

5. Part B Bidding Schedule item “Motor operated disconnecting switch with motor operated grounding blades, 345-kV, 2,000 amps, three-phase” includes providing the Contractor-furnished switches with supports:

DESIGNATION YU11B-ZU11A

3-pole, single-throw, outdoor, motor group operated with motor group operated grounding blades

System Nominal Voltage Rating (kV) 345

Rated Maximum Voltage (kV) 362

Basic Impulse Insulation Level (kV) 1300

Continuous Current Rating (Amps) 2,000

Short-time (3 second) Withstand Current Rating (kA)

Grounding Blades Yes

Control Circuit Voltage (VDC) 125

Phase Spacing 15’-0”

Mounting Position Horizontal

a. Disconnecting switch shall be provided with manufacturer-supplied support structure; all three phases of the switch mounted on one structure.

b. Disconnecting switch and support structure shall be qualified to operate under service conditions specified in paragraph A.

c. Disconnecting switch and grounding switch shall be mechanically interlocked. Grounding blades will be used to ground the series capacitors and shall ground the hinge end of the disconnecting switch.

d. A complete Kirk key interlock system shall be provided with the grounding switch that prevents closing of grounding switch ZU11A unless disconnecting switch YU11A is open.

The key interlock system shall also prevent opening of any series capacitor fence gate unless grounding switch ZU11A is closed. All series capacitor fence gates must be closed and locked before grounding switch ZU11A can be opened. Drawing LIB 1900 illustrates the key interlock system and its operation. Key lock units on switches YU11A and ZU11A shall have auxiliary switch contacts suitable for use in 125 VDC control circuits and wired to prevent motor operators from running unless key locks are in proper positions for switch operation. Operating sequence:

(1) Disconnecting switch YU11B will be opened which moves mechanical interlock into position to allow closing of grounding switch ZU11A.

(2) Disconnecting switch YU11A will be opened allowing key A1 to be removed and then inserted at grounding switch ZU11A.

(3) Grounding switch ZU11A will be closed allowing key B1 to be removed and then inserted at fence gate key locking assembly mounted on fence.

(4) Fence gate keys C1, C2, C3, and C4 can then be removed and used to unlock gates.

(5) Fence gates must be locked before keys C1, C2, C3, and C4 can be returned to the gate key locking assembly.

(6) Key B1 can be removed from the gate key locking assembly after all gates are locked and gate keys are returned to the locking assembly.

(7) Key B1 can then be returned to grounding switch ZU11A allowing ZU11A to be opened. Opening ZU11A moves mechanical interlock into position to allow closing of disconnecting switch YU11B.

(8) Key A1 can be removed after grounding switch ZU11A is opened.

(9) Key A1 can then be returned to disconnecting switch YU11A allowing YU11A to be closed.

6. Part B Bidding Schedule item “Coupling capacitor voltage transformer, 345-kV, single-phase (Government-furnished)” includes furnishing all equipment and material not furnished by Western, and installing the Government-furnished coupling capacitor voltage transformers and support structures:

VU11A1, VU11A2, VU11A3

Nominal System Voltage (kV) 345

Maximum System Voltage (kV)

Basic Impulse Insulation Level (kV)

Performance Reference Voltage (kV)

Primary to Secondary Ratios 1800/3000:1 and 1800/3000:1

ANSI Accuracy Rating 0.3% M, W, X, Y, Z Metering

Type Oil filled

Mounting Base

The Contractor shall unload the coupling capacitor voltage transformers. Contractor personnel shall inspect the coupling capacitor voltage transformers for possible damage during shipment or transportation and report any damage to Western’s COR.

7. Part B Bidding Schedule item “Surge arrester, 345-kV, single-phase” includes providing surge arresters in accordance with ANSI C62.1 and WAPA ES 9.1 Equipment Standard and providing associated support structures:

AU11A1, AU11A2, AU11A3

Class Station

System (kV) (L-L) 345

MCOV*(kV, RMS) (Not less than)

Duty Cycle Voltage (kV) 300

* MCOV = Maximum Continuous Operating Voltage

Surge arresters and associated support structures shall be qualified to operate under the service conditions specified in paragraph A. General.

a. Surge arresters shall have the following features:

(1) Be suitable for base mounting.

(2) Be metal oxide station-type.

(3) Be equipped with pressure relief diaphragm.

(4) Have gray colored porcelain.

(5) Have NEMA CCI terminal pads.

(6) Have ground connector for No. 2 AWG to 500 kcmil copper cable.

(7) Be equipped with grading rings if required for application.

8. Part B Bidding Schedule item “Pad mounted dry type transformer, 240-120/240 V, 50-kVA, single- phase” includes providing a dry type transformer. The transformer shall be designed and manufactured in accordance with ANSI C 57 and have the ratings and features below. The transformer shall receive the routine tests required by paragraph 8.3 of ANSI C 57.12.01, except that the no-load loss and exciting current tests will not be required. Transformer shall be painted with the manufacturer’s standard painting system, color ANSI 70 gray.

DESIGNATION T1

Distribution, single-phase, 60 Hz outdoor, self-cooled, dry-type, deadfront

Voltage Rating (V) 240 to 120/240

High-voltage taps ±2 1/2%, ±5%

Impedance range 3 – 5.75%

Capacity (kVA) 50

Number of high-voltage bushings (enclosed)

High-voltage bushings BIL (kV)

Number of low-voltage bushings (enclosed)

Low-voltage connection (V) 120/240

9. Part B Bidding Schedule item “Outdoor AC distribution board” includes providing a surface mounted outdoor AC distribution board as shown on Drawing LIB 1610. The AC distribution board is designated DWB. Distribution board shall be NEMA 4X and include a condensation heater.

The distribution board shall be in accordance with WAPA ES 2.3.4, and 2.3.11 Equipment Standard.

10. Part B and C Bidding Schedule item “Grounding system” includes providing material and services required to complete the substation grounding system. Unless otherwise specified on the drawings, splices, crosses, tees, and other fittings used on grounding system may be compression type (DMC Power Swage system, AFL Swage system, Burndy Hyground, or equal.

If swaged or compression type fittings are used, the fittings and installation tooling shall be furnished by the same manufacturer. Cable trench grounding shall be two (2) 19 No. 8 copper-clad steel conductors in lieu of two 7 No. 4 conductors as shown on Drawing 31 1061.

11. Part B Bidding Schedule item “Bus system” includes providing material and services required to complete the outdoor strain buses, jumper buses, rigid buses, and overhead ground wire installations. Unless otherwise specified on the Drawings, splices, elbows, pad type terminal connectors, and other fittings used on rigid or cable may be 360 degree radial swaged type (DMC Power, AFL Swage or equal). If swaged type fittings are used, the fittings and installation tooling shall be furnished by the same manufacturer. Bolted fittings are not permitted. Insulators shall use industry standard 5-inch (or 7-inch) base cap bolt circles in lieu of WAPA Standard 9.3.1.1.3.2 and Drawing 31 1081.

12. Part B and C Bidding Schedule item “Conduit system” includes providing material and services required to complete the substation conduit system including embedded and exposed conduit. Conduit entering the cable trench with a 90 degree bend is allowed to be Schedule 40 PVC as shown on Drawing 31 1006. All other 90 degree bends shall be fiberglass or rigid steel.

A detectable warning tape shall be installed directly above each conduit run and plastic lumber as shown on Drawing 31 1006. All conduits shall have sealing compound installed at both ends.

Informational Drawings and data are not required for this item.

13. Part B and C Bidding Schedule item “Associated electrical equipment and material” includes providing equipment, material, and services required to complete the following substation installations as shown on the Drawings:

a. Insulated conductors: Includes all insulated conductors and cables except 5/c and 12/c No.

10 AWG and 3/c No. 2 AWG control cables, which are covered under separate Bidding Schedule items. The Contractor shall terminate both ends of all cables.

b. Terminal Boxes: Terminal boxes’ internal components shown on Drawings 31 1085 and 31

1086 are typical and the Contractor shall provide internal components for Type A and Type F terminal box configuration. Actual internal arrangements will be determined by the COR.

c. Gas Cart Receptacles with Fusible Disconnect: The safety switches shall be of the outdoor type, single throw, fusible, single-phase, 3-wire, 240 V, 60-A. The enclosure for the safety switches shall be NEMA Type 4. The receptacles shall be single-phase, 3-wire 250 V, 50-A, grounding, NEMA 6-50R, complete with weatherproof enclosure, outlet body, and matching plug.

d. Substation signs:

(1) Phase Identification Signs (31 1000): One (1) on each phase at both ends of main buses, at each high voltage circuit terminating structure, and one (1) on each phase of an instrument transformer.

(a) Phase A – 20 required.

(b) Phase B – 20 required.

(c) Phase C – 20 required.

(2) Equipment Identification Signs (31 1000): Lettering on the signs shall be as shown on Drawing LIB 1140.

(3) Warning Signs: Warning signs in accordance with Drawing LIB 1019 shall be provided for the fence around the series capacitor bank. One sign shall be placed every 150 feet, at each corner (both ends of corner), and on each gate.

14. Part B and C Bidding Schedule item “Existing outdoor electrical equipment and material” includes removing, storing, disposing and modifying existing electrical equipment.

a. Material to be removed and stored is as follows:

(1) Remove and store in the facility provided in the “Temporary Storage of Oil Filled Equipment” paragraph of the “Environmental Quality Protection” division the following equipment:

(a) Three (3) 345-kV coupling capacitor voltage transformers designated VU1A1, VU1A2, and VU1A3.

(2) Remove and store One (1) 230-kV Power Circuit Breaker designated JW1A in a location within the Liberty Substation as directed by the COR.

b. Material to be removed and disposed of is as follows:

(1) Remove and dispose of the following equipment:

(a) Three (3) 345-kV, single-phase power circuit breakers, including one master control cabinet.

(b) One (1) 345-kV, three-phase, motor-operated interrupter switch designated

XU1A.

(c) One (1) 345-kV, three-phase, motor-operated disconnecting switch designated

XU1B.

(d) Two (2) 345-kV, three-phase, disconnecting switches designated WU1A and

WU1B.

(e) Three (3) 345-kV surge arrester designated AU1B1, AU1B2 and AU1B3.

(f) Terminal box associated with VU1A.

(g) Aluminum tubing, aluminum conductors, post insulators, hardware, fittings, control and power cables, conduits and grounding conductors associated with the above power circuit breakers and motor operated disconnecting switches.

Control cables shall be removed from the outdoor equipment all the way into service building.

c. Material to be modified is as follows:

(1) Install one (1) 60A, two-pole molded case circuit breaker in outdoor panel DYA2 as shown on Drawing LIB 1650-2.

15. Part B and C Bidding Schedule items “Furnishing 3/c No. 2 AWG control cable”, “Furnishing 5/c No. 10 AWG control cable” and “Furnishing 12/c No. 10 AWG control cable” include furnishing 3/c No. 2, 5/c No. 10 and 12/c No. 10 AWG control cable, respectively.

16. Part B and C Bidding Schedule items “Installing 3/c No. 2 AWG control cable”, “Installing 5/c No. 10 AWG control cable” and “Installing 12/c No. 10 AWG control cable” include installing 3/c No. 2 AWG, 5/c No. 10 AWG and 12/c No. 10 AWG control cable, respectively. The Contractor shall install the cables in conduit and cable trench between the outdoor equipment and the control panels according to Drawings LIB T600, LIB 0010, and LIB 4000. All control cables shall be labeled according to Drawing LIB T600 and Standard 9 – Substation Electrical, paragraph 9.2.3.4.(10). At the indoor equipment panel, the length of any cable needs to be enough to reach to the top of the control panel. At the outdoor equipment cabinets, the control cables shall reach the farthest point in the cabinet. The Contractor shall terminate both ends of the cable.

17. Part B Bidding Schedule item “Enclosed switchboard section (Government-furnished)” includes furnishing material not furnished by Western, disconnecting, removing, or reinstalling existing equipment and devices, filling holes and cutouts, receive, unload and installing the Government- furnished enclosed switchboard section CHJ8 and the three GE panels in the location shown on Drawing LIB 4000.The switchboards shall be bolted to the concrete floor with epoxy anchors, Hilti HIT-RE 500-SD epoxy anchoring system or equivalent; qualified for seismic design categories A-F.

18. Part B and C Bidding Schedule item “Electrical testing” includes providing electrical testing in accordance with Standard 9, paragraph 9.1.2 Acceptance Tests – Method B.

DIVISION 13 – ENVIRONMENTAL QUALITY PROTECTION

A. GENERAL

1. Bidding Schedule does not contain separate items for the following. Include these items in applicable Bidding Schedule items:

a. Contractor-furnished Data (refer to Standard 13.2).

b. Environmental Requirements (refer to Standard 13.3).

c. Landscape Preservation (refer to Standard 13.4).

d. Preservation of Cultural and Paleontological Resources (refer to Standard 13.5).

e. Noxious Weed Control (refer to Standard 13.6).

f. Recycled Material Quantities (refer to Standard 13.7).

g. Use of Recovered Material and Bio-based Material Products (refer to Standard 13.8).

h. Disposal of Waste Material (refer to Standard 13.9).

i. Contractor’s Liability for Regulated Material Incidents (refer to Standard 13.10).

j. Pollutant Spill Prevention, Notification, and Cleanup (refer to Standard 13.11).

k. Pesticides (refer to Standard 13.12).

l. Prevention of Air Pollution (refer to Standard 13.14).

m. Prevention of Water Pollution (refer to Standard 13.17).

n. Testing, Draining, Removal, and Disposal of Oil-Filled Electrical Equipment (refer to Standard 13.18).

o. Removal of Oil-Contaminated Material (refer to Standard 13.19).

p. Conservation of Biological Resources (refer to Standard 13.20).

B. SPECIAL CONDITIONS

1. PREVENTION OF WATER POLLUTION (IN ADDTION TO STANDARD 13.17):

a. Work shall not commence until WAPA receives the necessary Section 404…